Finding the Third Proportional to 4,990,909 and 7,453,099

Step by Step Solution

1. Step 1: Write the proportion equation
   4,990,909 : 7,453,099 = 7,453,099 : x
2. Step 2: Convert to fraction form
   4,990,909/7,453,099 = 7,453,099/x
3. Step 3: Cross multiply
   4,990,909x = 7,453,099 × 7,453,099
4. Step 4: Simplify right side
   4,990,909x = 55,548,684,703,801
5. Step 5: Solve for x
   x = 55,548,684,703,801/4,990,909
6. Step 6: Final answer
   x = 11,129,973.46